A Rapid HPLC Method for Enabling PAT Application for Processing of GCSF
The use of a monolithic column reduces analysis time in an on-line biopharmaceutical HPLC analysis of granulocyte colony stimulating factor.
Market Profile: Laboratory Information Management Systems
With accountability and regulatory compliance being such a large part of the modern laboratory, the necessity for a laboratory information management system (LIMS) cannot be understated.
What's the Problem with the LLOQ? — Case Study
How to evaluate a calibration curve and calculate the lower limit of calibration.
Mass Spectrometry for Natural Products Research: Challenges, Pitfalls, and Opportunities
Correlating biological activity with chemical composition is the Holy Grail of natural product chemists. Is mass spectrometry the right tool for this challenge?
Application of Existing Sample Preparation Technologies to New Areas
Some sample preparation techniques that were introduced in the past are now being used for new applications.
Mobile-Phase Optimization Strategies in Reversed-Phase HPLC
There are many ways to improve retention and selectivity in reversed-phase HPLC separations. Choosing the correct mobile phase is maybe the most important step.
Gas Chromatography: Practical Procedures
A discussion of the effects of increased carrier-gas flow in an example separation that includes two pairs of solutes.
Simultaneous Determination of Harpagoside and Its Metabolites in an Aspergillus niger Culture by Solid-Phase Extraction and HPLC
A new chromatography-based method for analyzing a traditional Chinese medicine and its metabolites.
Peaks of Interest
The Coblentz Society, an affiliate of the Society of Applied Spectroscopy, was approached with a challenge from an anonymous donor during the SciX13 conference.
Vol 31 No 11 LCGC North America November 2013 Regular Issue PDF
Click the title above to open the LCGC North America November 2013 regular issue, Vol 31 No 11, in an interactive PDF format.